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42132111 = 372286613
BaseRepresentation
bin1010000010111…
…0001010001111
32221021112101120
42200232022033
541241211421
64103012023
71021055100
oct240561217
987245346
1042132111
112186752a
121213a013
138962158
14584a3a7
153a738c6
hex282e28f

42132111 has 12 divisors (see below), whose sum is σ = 65347992. Its totient is φ = 24075408.

The previous prime is 42132109. The next prime is 42132119. The reversal of 42132111 is 11123124.

It is not a de Polignac number, because 42132111 - 21 = 42132109 is a prime.

It is a super-2 number, since 2×421321112 = 3550229554632642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143160 + ... + 143453.

It is an arithmetic number, because the mean of its divisors is an integer number (5445666).

Almost surely, 242132111 is an apocalyptic number.

42132111 is a deficient number, since it is larger than the sum of its proper divisors (23215881).

42132111 is a wasteful number, since it uses less digits than its factorization.

42132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286630 (or 286623 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 42132111 is about 6490.9252807285. The cubic root of 42132111 is about 347.9667444110.

Adding to 42132111 its reverse (11123124), we get a palindrome (53255235).

The spelling of 42132111 in words is "forty-two million, one hundred thirty-two thousand, one hundred eleven".

Divisors: 1 3 7 21 49 147 286613 859839 2006291 6018873 14044037 42132111